//
// Created by 周立海 on 2017/4/24.
//

#include <stdio.h>
#include <stdlib.h>

#include "crtl_base.h"
#include "../libBase/PublicFunction.h"

/*
 * 操作与控制模块通讯的串口,控制相关的GPIO，并且进行协议封包和解析
 *
 * */


//CRC高位字节值表
const INT8U auchCRCHi[] = {0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
                           0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
                           0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
                           0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
                           0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
                           0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
                           0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
                           0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
                           0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
                           0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
                           0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
                           0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
                           0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
                           0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
                           0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
                           0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
                           0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
                           0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
                           0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
                           0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
                           0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
                           0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40};
//CRC 低位字节值表
const INT8U auchCRCLo[] = {0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2,
                           0xC6, 0x06, 0x07, 0xC7, 0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD,
                           0x0F, 0xCF, 0xCE, 0x0E, 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09, 0x08, 0xC8,
                           0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A, 0x1E, 0xDE, 0xDF, 0x1F,
                           0xDD, 0x1D, 0x1C, 0xDC, 0x14, 0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6,
                           0xD2, 0x12, 0x13, 0xD3, 0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1,
                           0x33, 0xF3, 0xF2, 0x32, 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4,
                           0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A, 0x3B, 0xFB,
                           0x39, 0xF9, 0xF8, 0x38, 0x28, 0xE8, 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA,
                           0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED, 0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5,
                           0x27, 0xE7, 0xE6, 0x26, 0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0,
                           0xA0, 0x60, 0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67,
                           0xA5, 0x65, 0x64, 0xA4, 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 0x6E, 0xAE,
                           0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68, 0x78, 0xB8, 0xB9, 0x79,
                           0xBB, 0x7B, 0x7A, 0xBA, 0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C,
                           0xB4, 0x74, 0x75, 0xB5, 0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73,
                           0xB1, 0x71, 0x70, 0xB0, 0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92,
                           0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C, 0x5D, 0x9D,
                           0x5F, 0x9F, 0x9E, 0x5E, 0x5A, 0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98,
                           0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B, 0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F,
                           0x8D, 0x4D, 0x4C, 0x8C, 0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86,
                           0x82, 0x42, 0x43, 0x83, 0x41, 0x81, 0x80, 0x40};

//获得CRC16值
//puchMsg:要校验的数组
//usDataLen:数组长度
INT16U Get_Crc16(INT8U *puchMsg, INT16U usDataLen) {
    INT8U uchCRCHi = 0xFF; //高CRC 字节初始化
    INT8U uchCRCLo = 0xFF; //低CRC 字节初始化
    INT8U uIndex; //CRC 循环中的索引
    while (usDataLen--) //传输消息缓冲区
    {
        uIndex = uchCRCHi ^ *puchMsg++; //计算CRC
        uchCRCHi = uchCRCLo ^ auchCRCHi[uIndex];
        uchCRCLo = auchCRCLo[uIndex];
    }
    return (uchCRCHi << 8 | uchCRCLo);
}

/*
 *检测模块是否已插入
 */
int CheckModelState() {
    //读取模块状态，查询模块是否已经插入
    char *ZB_STATE = "/dev/gpiZB_STATE";
    if (1 == gpio_readbyte((INT8S *) ZB_STATE)) {
        perror("State of Ctrl Module is 1!\r\n");
        return 0;
    }
    return 1;
}

/*打开控制模块串口*/
int OpenSerialPort() {
    int serial_fd = OpenCom(5, 19200, (unsigned char*)"even", 1, 8);
    if (serial_fd <= 0) {
        fprintf(stderr, "Open Serial Port Failed-%d!\r\n", serial_fd);
    }
    return serial_fd;
}

/*初始化控制模块
 */
int InitCtrlModel() {

    if (CheckModelState() == 0)
        return 0;

    //复位控制模块，低电平有效
    char *ZB_RST = "/dev/gpoZAIBO_RST";
    if (gpio_writebyte((INT8S *) ZB_RST, 0) < 0) {
        perror("Ctrl Module RST ERR!\r\n");
        return 0;
    }

    if (gpio_writebyte((INT8S *) ZB_RST, 1) < 0) {
        perror("Ctrl Module RST ERR!\r\n");
        return 0;
    }

    //控制模块使能，高电平有效
    char *CTL_EN = "/dev/gpoCTL_EN";
    if (gpio_writebyte((INT8S *) CTL_EN, 1) < 0) {
        perror("Ctrl Module CTLEN ERR!\r\n");
        return 0;
    }

    //复位后，至少需要60多毫秒，控制模块才能正常使用
    usleep(80000);
    fprintf(stderr, "\nvctrl 初始化模块完成");
    return 1;
}

/*从串口读取数据，并进行命令解析
 *参数：fd 串口文件标识
 *返回值：两字节的实际数据
 */

int ReadCmd(int fd, INT8U *rdata1, INT8U *rdata2) {
    INT8U len = 255;// CTRL_LEN;
    INT8U buf[len];
    INT16U Parity, crc_buf;
    int retcmd, i, k = 0;
    memset(buf, 0, len);
    int n = read(fd, buf, len);
    if (n < CTRL_LEN) {
        fprintf(stderr, "\n收到 %d ", n);
        perror("Read Ctrl CMD Error  ");
        return 0;
    }
    fprintf(stderr, "\r\nvctrl read buf :");

    for (i = 0; i < n; i++) {
        fprintf(stderr, "%x ", buf[i]);
        if (buf[i] == 0x68) k = i;
    }

    crc_buf = (buf[k + 4] << 8) + buf[k + 5];
    Parity = Get_Crc16(&buf[k], 4);
    if (crc_buf != Parity) {
        perror("CRC Error!\r\n");
        return 0;
    }

    retcmd = buf[k + 1];
    *rdata1 = buf[k + 2];
    *rdata2 = buf[k + 3];

    return retcmd;

}

INT8U SendCmd(int fd, INT8U cmd, INT8U getcmd, INT8U *data1, INT8U *data2) {
    INT16U crcdata = 0xffff;
    INT8U sendbuf[CTRL_LEN];
    INT8U rcmd = 0;
    INT8U i;
    sendbuf[0] = CTRL_HEAD;
    sendbuf[1] = cmd;
    sendbuf[2] = *data1;
    sendbuf[3] = *data2;
    crcdata = Get_Crc16(sendbuf, 4);
    sendbuf[4] = (crcdata & 0xff00) >> 8;
    sendbuf[5] = crcdata & 0x00ff;
    sendbuf[6] = CTRL_END;
    int n = write(fd, sendbuf, CTRL_LEN);
    if (n != CTRL_LEN) fprintf(stderr, "\nVCTRL 串口发送错误 %d", n);
    fprintf(stderr, "\nvctrl 发送命令 %02x: ", cmd);
    for (i = 0; i < n; i++)
        fprintf(stderr, " %02x", sendbuf[i]);

    usleep(200000);
    rcmd = ReadCmd(fd, data1, data2);
    return rcmd;
}

INT8U Byte_to_state(INT8U abyte, INT8U place) {
    INT8U state = 0;
    state = (abyte >> place) & 0x01;
    return state;
}

void BuildByte_by_state(INT8U *abyte, INT8U state, INT8U place) {
    switch (state) {
        case TRUE_STATE:
            *abyte = *abyte | (1 << place);
            break;
        case ZERO_STATE:
            *abyte = *abyte & ~(1 << place);
            break;
    }
}

/*---------------------------------------------------
 *  输出控制状态命令	命令 2	(A3)
 */
INT8U SetCtrl_CMD(int serial_fd, INT8U lun1_state, INT8U lun1_red, INT8U lun1_green,
                  INT8U lun2_state, INT8U lun2_red, INT8U lun2_green,
                  INT8U gongk_led, INT8U diank_led,
                  INT8U alm_state, INT8U baodian_led) {
    INT8U data_low, data_hig;

    data_low = 0;
    data_hig = 0;

    BuildByte_by_state(&data_low, lun1_state, 0);   //b0	轮次1	分/合闸
    BuildByte_by_state(&data_low, lun1_red, 1);     //b1	轮次1	分-红
    BuildByte_by_state(&data_low, lun1_green, 2);   //b2	轮次1	合-绿
    BuildByte_by_state(&data_low, lun2_state, 3);   //b3	轮次2	分/合闸
    BuildByte_by_state(&data_low, lun2_red, 4);     //b4	轮次2	分-红
    BuildByte_by_state(&data_low, lun2_green, 5);   //b5	轮次2	合-绿
    BuildByte_by_state(&data_low, gongk_led, 6);    //b6	功控指示灯
    BuildByte_by_state(&data_low, diank_led, 7);    //b7	电控指示灯
    BuildByte_by_state(&data_hig, alm_state, 0);    //B0	告警继电器合闸
    BuildByte_by_state(&data_hig, baodian_led, 1);  //B1	保电指示灯

    INT8U rcmd = SendCmd(serial_fd, SEND_CTRL_CMD, RECE_CTRL_CMD, &data_low, &data_hig);

	fprintf(stderr,"\n返回命令:%02x 数据1 %02x 数据2 %02x ",rcmd,data_low,data_hig);

    return rcmd;
}
